adsosurf.h

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/*****************************************************************************
 * $Id: adsosurf.h,v 1.9 2003/07/16 11:39:41 schou Exp $
 * Author: Jakob Schou Jensen <schou@sourceforge.net>
 * Licence: GPL
 *
 * Description: Adso surface
 *
 ****************************************************************************/

#ifndef SURF_H
#define SURF_H
#include <stdlib.h>
#include <adsobase.h>
#include <GL/gl.h>
#include <adsomath.h>
#include <adsoheightmap.h>
#include <adsobase.h>

#define ADSO_DRAW_TRIANGLES 1
#define ADSO_DRAW_WIREFRAME 2
#define ADSO_DRAW_NORMALS 3
#define ADSO_DRAW_COORDS 4


// Draw Context
class AdsoDC {
 public:
  float frustum[6][4];
  v3f viewDir;
  v3f viewPos;
  float viewAngle;

  void setFrustum();
  int checkBoundPoints(int count, v3f *points);

  AdsoDC(){
    viewDir = v3f(1.0,1.0,1.0);
    viewAngle = (float)M_PI;
  }
};

#define ADSOSURF_T1 0
#define ADSOSURF_T2 1

class AdsoSurf {
 public:
  int type; 
  int count; 
  int v_count; 
  int *offs; 
  int *len; 
  void *vl; 

  v3f cullNorm;
  float cullNormAngle;
  v3f *boundPoints;
  int nBoundPoints;

  //void *getTri(){ return &vl[0]; }
  int triCount(){ return len[0]; } 

  //void *getStrip(int i){ return &vl[i+1]; }
  int stripLen(int i){ return len[i+1]; } 
  int stripCount(){ return count-1; } 

  int verticeCount(){ return v_count; }

  void draw(int method, AdsoDC *dc);

  int load(FILE *file);
  int save(FILE *file);

  void init(int c, int s, int t){
    type = t;
    if(t==ADSOSURF_T2) vl = (void*)new vntt3f[s];
    else vl = (void*)new vnt3f[s];
    offs = new int[c];
    len = new int[c];
    count = c;
    v_count = s;
  }

  AdsoSurf(int c, int s, int t){
    type = t;
    if(t==ADSOSURF_T2) vl = (void*)new vntt3f[s];
    else vl = (void*)new vnt3f[s];
    offs = new int[c];
    len = new int[c];
    count = c;
    v_count = s;
    cullNorm = v3f(1.0,1.0,1.0); 
    cullNormAngle = (float)M_PI;
    boundPoints = 0;
    nBoundPoints = 0;
  }

  AdsoSurf(){
    type = ADSOSURF_T1;
    count = 0; 
    v_count = 0; 
    cullNorm = v3f(1.0,1.0,1.0); 
    cullNormAngle = (float)M_PI;
    boundPoints = 0;
    nBoundPoints = 0;
  }
};

class AdsoHierSurf {
 public:
  int count; 
  AdsoSurf *surf; 
  AdsoHeightMap *heightMap;

  void draw(int method, AdsoDC *dc);

  int load(FILE *file);
  int save(FILE *file);

  void setHeightMap(AdsoHeightMap *hm){
    heightMap = hm;
  }

  AdsoHierSurf(int surfCount) {
    surf = new AdsoSurf[surfCount];
    count = surfCount;
    heightMap = 0;
  }

  AdsoHierSurf(){count=0;surf=0;heightMap=0;}
};

class AdsoSurfBuild {
 public:
  Set<Set<vnt3f> *> strips;
  Set<vnt3f> tris;
  Set<v3f> boundPoints;
  v3f cullNorm;
  float cullNormAngle;

  AdsoSurfBuild(){};
};

#endif

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